19108408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 42340320

約数和(自身を除く): 23231912

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 53, 68, 88, 106, 136, 187, 212, 241, 374, 424, 482, 583, 748, 901, 964, 1166, 1496, 1802, 1928, 2332, 2651, 3604, 4097, 4664, 5302, 7208, 8194, 9911, 10604, 12773, 16388, 19822, 21208, 25546, 32776, 39644, 45067, 51092, 79288, 90134, 102184, 140503, 180268, 217141, 281006, 360536, 434282, 562012, 868564, 1124024, 1737128, 2388551, 4777102, 9554204, 19108408]

約数ペア:

[(1, 19108408), (2, 9554204), (4, 4777102), (8, 2388551), (11, 1737128), (17, 1124024), (22, 868564), (34, 562012), (44, 434282), (53, 360536), (68, 281006), (88, 217141), (106, 180268), (136, 140503), (187, 102184), (212, 90134), (241, 79288), (374, 51092), (424, 45067), (482, 39644), (583, 32776), (748, 25546), (901, 21208), (964, 19822), (1166, 16388), (1496, 12773), (1802, 10604), (1928, 9911), (2332, 8194), (2651, 7208), (3604, 5302), (4097, 4664)]